Liang Mian Zhen Dried Slices 500g Sulfur-Free Zanthoxylum Nitidum Root Traditional Herbal Decoction Ingredient

Liang Mian Zhen (两面针), also called Ru Di Jin Niu (入地金牛), is the dried sliced root of Zanthoxylum nitidum, a woody climbing shrub used in Chinese herbal practice. In TCM theory it is considered acrid, bitter, and neutral, with traditional associations for external washes and decoctions. These sulfur-free slices are supplied as a raw culinary-grade botanical for traditional preparation.

Key Selling Points

• Dried Liang Mian Zhen (两面针) root slices from Zanthoxylum nitidum
• Sulfur-free processing with clean cut slices
• Known in folk herbalism as Ru Di Jin Niu or Guo Shan Long
• Supplied as a raw edible-grade agricultural botanical
• Suitable for traditional decoctions and external herbal washes

Quality & Sensory

The slices typically show a pale yellowish to light brown cut surface with a firm, woody texture and fibrous grain. The aroma is typically mildly pungent and peppery, and a prepared decoction traditionally carries a bitter, acrid taste.

Technical Specifications

Usage Scenarios

• Traditional decoction preparation
• External herbal wash or soak
• Folk herbal formulas with other roots
• Herbal shop and wholesale supply

Traditional Uses

In TCM and southern Chinese folk practice, Liang Mian Zhen root has traditionally been used in decoctions and external washes, often paired with other dispersing herbs. It is traditionally associated with moving qi, easing discomfort, and supporting oral and skin care in folk applications. Preparation typically involves simmering the slices, and it is a seasonal ingredient in regional herbal soups and baths.

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